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Results 1 - 20 of 243.
Chemistry - Physics - 11.11.2024
Two hundred times better catalysts thanks to carbon
When you place metal nanoparticles on carbon, they become much more active. What was previously only assumed based on experience could now be explained in detail for the first time at TU Wien (Vienna).
Health - Life Sciences - 08.11.2024
SARS-CoV-2 ’steals’ our proteins to protect itself from the immune system
Researchers at the Medical University of Vienna and the Medical University of Innsbruck discovered that SARS-CoV-2 hijacks three important host proteins that dampen the activity of the complement system, a key component of early antiviral immunity. This significantly impairs viral clearance which may affect the course of both acute COVID-19 infections and post-COVID-19 sequelae.
Health - Life Sciences - 08.11.2024
New option for treating prostate cancer
Prostate cancer is the second most common cancer in men worldwide. Despite medical advances in recent years, this type of tumour is still responsible for one in eight male cancer deaths in Austria alone. An international research team led by MedUni Vienna has now investigated a new strategy for the development of treatment options that not only slow tumour growth, but also stimulate the immune system to combat tumour cells.
Mathematics - Computer Science - 06.11.2024
Hard in Theory, Easy in Practice
ISTA researchers investigate why graph isomorphism algorithms seem to be so effective Graphs are everywhere. In discrete mathematics, they are structures that show the connections between points, much like a public transportation network. Mathematicians have long sought to develop algorithms that can compare any two graphs.
Pharmacology - Health - 06.11.2024
COVID-19: Real-world effectiveness of antiviral drugs investigated
In a study led by MedUni Vienna, data from more than 100,000 patients with a confirmed SARS-CoV-2 infection who were registered with the Vienna City Health Service around two years ago was analysed. Of these, more than 20,000 patients were treated with antiviral drugs due to their risk of a severe course.
Pharmacology - Health - 05.11.2024
New active substance for the treatment of acute sudden hearing loss
A research team led by MedUni Vienna has investigated AC102, a new active substance that offers hope of an effective treatment for acute sudden hearing loss. The latest results have been published in the scientific journal "Cell Death & Disease". Initial findings from preclinical trials could represent a significant advancement in the treatment of acute hearing disorders.
Pharmacology - Health - 30.10.2024
Nanoplastics can reduce the effectiveness of antibiotics
In a recent study, an international research team with significant involvement from MedUni Vienna has investigated how nanoplastic particles deposited in the body affect the effectiveness of antibiotics. The study showed that the plastic particles not only impair the effect of the drugs, but could also promote the development of antibiotic-resistant bacteria.
Astronomy / Space - Computer Science - 30.10.2024
Laser Measurements to Track Space Debris and Observe Water Masses
More accurate orbit predictions for satellites and space debris as well as a better understanding of the water masses present on Earth: Researchers at TU Graz have achieved both using satellite laser ranging. What do the Earth's gravitational field and the trajectories of satellites and space debris have in common? The Earth's gravitational field influences the orbits of our companions in space, while the changes in the orbits in turn allow conclusions to be drawn about changes in the gravitational field and thus existing water masses.
Life Sciences - 29.10.2024
Molecular mechanism controlling the development of neurons in the hypothalamus is discovered
An international study led by MedUni Vienna has identified the transcription factor ONECUT3 as a regulator of the development of neurons in the hypothalamus. Transcription factors such as ONECUT3 are proteins that control the activity of genes. The hypothalamus is a region of the brain that acts as an interface between the brain and body through hormone production, to control metabolism, growth, parenting and others.
Astronomy / Space - 25.10.2024
Dandelion-Shaped Supernova
A historical supernova documented by Chinese and Japanese astronomers in 1181 has been lost for centuries, until very recently. Yet, the newly found remnant shows some stunning characteristics that are puzzling astronomers. Now, it surrenders its secrets. A team led by Tim Cunningham from the Center for Astrophysics, Harvard & Smithsonian, and Ilaria Caiazzo, Assistant Professor at the Institute of Science and Technology Austria (ISTA), provides the first detailed study of the supernova's structure and speed of expansion in 3D.
Life Sciences - Physics - 25.10.2024
Complex Sound Patterns are recognized by newborn brains
Nonlinguistic Sounds Activate Language-Related Networks in the Brain A team of researchers, including psycholinguist Jutta Mueller from the University of Vienna, has discovered that newborns are capable of learning complex sound sequences that follow language-like rules. This groundbreaking study provides long-sought evidence that the ability to perceive dependencies between non-adjacent acoustic signals is innate.
Life Sciences - Health - 24.10.2024
Understanding Impacts of Mutations
The human genetic code is fully mapped out, providing scientists with a blueprint of the DNA to identify genomic regions and their variations responsible for diseases. Traditional statistical tools effectively pinpoint these genetic "needles in the haystack," yet they face challenges in understanding how many genes contribute to diseases, as seen in diabetes or schizophrenia.
Physics - Materials Science - 24.10.2024
Superconductivity: the mystery of Fermi arcs solved
In certain materials, electrical charge can only move in very specific directions. Researchers at TU Wien (Vienna) have now shown that this can be explained by magnetic effects. High-temperature superconductivity is one of the great mysteries of modern physics: some materials conduct electrical current without any resistance - but only at very low temperatures.
Health - Life Sciences - 23.10.2024
Lyme borreliosis: New approach for developing targeted therapy
Lyme borreliosis is the most common tick-borne infectious disease in Europe. Up to 70,000 new cases are estimated each year in Austria alone. The bacterial infection can cause lasting health problems for patients. A MedUni Vienna research team has made significant progress in understanding the mechanism of infection and identified a potential way forward for the development of targeted therapies that do not rely on antibiotics.
Health - 22.10.2024
Common Food Supplement could unlock cancer secret
A study on an essential mineral abundant in brazil nuts could unlock the key to preventing the spread of triple negative breast cancer, according to new research funded by Cancer Research UK. Limiting the antioxidant effects of selenium, a popular ingredient of multivitamin supplements found in everyday foods such as meat, mushrooms and cereals, could be the secret to controlling this form of the disease.
Physics - 22.10.2024
How fast is quantum entanglement?
The emergence of quantum entanglement is one of the fastest processes in nature. Scientists at TU Wien (Vienna) show that using special tricks, this can be investigated on an attosecond scale. Quantum theory describes events that take place on extremely short time scales. In the past, such events were regarded as 'momentary' or 'instantaneous': An electron orbits the nucleus of an atom - in the next moment it is suddenly ripped out by a flash of light.
Health - 22.10.2024
Innovative new surgical method for treating obstructive defecation disorder successfully performed for the first time
A new surgical method for treating obstructive defecation disorder has been introduced at the Department of General Surgery at MedUni Vienna and University Hospital Vienna. The procedure does not require the insertion of a foreign body and, for the first time, is minimally invasive. The new method was used for the first time worldwide at University Hospital Vienna and MedUni Vienna and offers those affected by this defecation disorder an advantageous alternative to existing therapies.
Social Sciences - Psychology - 21.10.2024
Recognizing the strengths of socio-economically disadvantaged students leads to better grades
Long-term experiment shows that social narratives have an influence on performance In their new study, psychologist Christina Bauer from the University of Vienna and her international team show the influence societal narratives can have on students' self-image and their performance. The researchers presented reverse narratives to socio-economically disadvantaged students: instead of portraying them as weak, they emphasized their strengths.
Life Sciences - Health - 17.10.2024
Catching prey with grappling hooks and cannons
Predatory marine bacterium could be used in medicine Researchers at ETH Zurich, in collaboration with microbiologists from the University of Vienna, have studied the unusual arsenal of weapons of a predatory marine bacterium called Aureispira down to the smallest detail. Among other things, it is a kind of "molecular grappling hook" that catches prey.
Agronomy / Food Science - Life Sciences - 16.10.2024
Chickpeas - sustainable and climate-friendly foods of the future
Study shows: Chickpeas are a drought-resistant legume plant with a high protein content Climate change has a negative impact on food security. An international research team led by Wolfram Weckwerth from the University of Vienna has now conducted a study to investigate the natural variation of different chickpea genotypes and their resistance to drought stress.
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